21031608 is an even 8-digits composite number following 21031607
and preceding 21031609 . In scientific notation, it is written as 2.1031608 × 10^7.
The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors.
There are 6471168 positive integers (up to 21031608) that are relatively prime to 21031608.
21031608 has 32 divisors, whose sum is 56624400
The reverse of 21031608 is 80613012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-one thousand six hundred eight
Scientific notation
2.1031608 × 10^7
Engineering notation
2.1031608 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 13 × 67409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5257902
Product of the distinct prime numbers
The prime factorization of 21031608 is 2 × 2 × 2 × 3 × 13 × 67409.
Since it has a total of 6 prime factors.
10 , 5 , 21 , 50 , 833 , 64 , 2102 , 2747 , 20589 , 15501 , 193518 , 861127 , 8426597 , 7972885 , 82646662 , 4274446 , 731516145 , 461775883 , 9635307440 , 5173694302
n×2
42063216
n×3
63094824
n×4
84126432
n×5
105158040
n÷2
10515804
n÷3
7010536
n÷3
5257902
n÷5
4206321.6
n2
442328535065664
n3
9.3028803567153E+21
n4
1.9565453293334E+29
n5
4.114929440077E+36
2 √n
4586.0231137664
3 √n
276.0307674165
4 √n
67.720182469973
5 √n
29.145700359647
1 , 2 , 3 , 4 , 6 , 8 , 12 , 13 , 24 , 26 , 39 , 52 , 78 , 104 , 156 , 312 , 67409 , 134818 , 202227 , 269636 , 404454 , 539272 , 808908 , 876317 , 1617816 , 1752634 , 2628951 , 3505268 , 5257902 , 7010536 , 10515804 , 21031608
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031607
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031608 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031608) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110101010111000
3
Ternary
1110120111221110
4
Quaternary
1100032222320
5
Quinary
20341002413
6
Senary
2030440320
8
Octal
120165270
10
Decimal
21031608
12
Duodecimal
70630a0
16
Hexadecimal
140eab8
20
Vigesimal
6b8j08
36
Base36
cis3c
md5
ab25511c56d06fe2342eeefe6b60f863
sha1
d44251c942e5dfcdbd5f71e788b7348b2efacf24
sha256
99060f371cc28bdb5b83d25a903f3e68a5ae6d226793dda249e6432bfe6725b3
sha512
e3b00e5aeee8cc012573c7bf5cd0da5b0260548cead0f5987b657d4be2bbc8138769f0ee74935994f90bcfe9fbfdb98ea447bb113b344dd8673d621dc54a56e6
ripemd-160
bde5b61d66894cb47e56359e0dc47f53e8a2c39e
Diameter
42063216
Circumference
132145490.37196
Area
1.3896160762354E+15
Volume
3.8967814114509E+22
Surface area
5.5584643049417E+15
Circumference
132145490.37196
Perimeter
84126432
Area
442328535065664
Diagonal
29743185.272114
Surface area
2653971210393984
Volume
9.3028803567153E+21
Space diagonal
36427813.620872
Perimeter
63094824
Area
1.9153387409281E+14
Altitude
18213906.810436
Surface area
1.9153387409281E+14
Volume
1.0963549641334E+21
Height
9914395.0907048